Location History:
- Toyota, JA (1976 - 1977)
- Susono, JP (1984)
- Numazu, JP (1980 - 1991)
Company Filing History:
8 out of 1,838 
3 out of 3,252 
1 out of 1,600 
Years Active: 1976-1991
Title: Hiroshi Sami: Innovator in Fuel Injection Technology
Introduction
Hiroshi Sami, an accomplished inventor based in Numazu, Japan, has made significant contributions to the field of automotive technology, particularly in fuel injection systems. With a total of 10 patents to his name, his innovative designs reflect a commitment to improving engine efficiency and performance.
Latest Patents
Hiroshi's latest inventions include a novel Fuel Injection Device, which features a unit injector with a plunger, a high-pressure fuel chamber, and a needle. This sophisticated design includes a spill valve that is adeptly integrated into the system, allowing for precise control of fuel injection. The spill valve's configuration ensures that fuel is efficiently managed, with a high-pressure fuel introduction chamber and a dedicated fuel spill chamber that work in unison to halt fuel flow when necessary.
Another of his notable patents is the Electric Control Apparatus for a Fuel Injection Pump, which optimizes the fuel injection process by accurately sensing the intake pressure and temperature of a Diesel engine equipped with a supercharger. This invention employs advanced calculations to determine the optimal fuel injection amount, thereby contributing to reductions in emissions and enhancing engine performance.
Career Highlights
Hiroshi Sami has lent his expertise to leading automotive companies, including Toyota Motor Corporation and Denso Corporation. His tenure at these organizations enabled him to develop innovative solutions that have been incorporated into various engine systems, setting new standards in the industry for performance and efficiency.
Collaborations
Throughout his career, Hiroshi has collaborated with fellow innovators, including Osamu Ito and Shizuo Kawai. Their collective knowledge and innovative spirit have paved the way for advancements in fuel injection technology, underscoring the importance of teamwork in the pursuit of technological progress.
Conclusion
Hiroshi Sami's work exemplifies the essence of innovation in the automotive sector. His patents reflect a deep understanding of fuel injection systems and an unwavering commitment to enhancing engine efficiency. As he continues to innovate, his contributions will undoubtedly shape the future of automotive technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.